cc: Add CompositorFrame class with IPC param traits for it

cc/compositor_frame.h

+// Copyright 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CC_COMPOSITOR_FRAME_H_
+#define CC_COMPOSITOR_FRAME_H_
+
+#include "cc/cc_export.h"
+#include "cc/render_pass.h"
+#include "cc/scoped_ptr_vector.h"
+#include "cc/transferable_resource.h"
+#include "ui/gfx/size.h"
+
+namespace cc {
+
+class CC_EXPORT CompositorFrame {
+ public:
+  CompositorFrame();
+  ~CompositorFrame();
+
+  gfx::Size size;
+  TransferableResourceList resource_list;
+  ScopedPtrVector<RenderPass> render_pass_list;
+};
+
+}  // namespace cc
+
+#endif  // CC_COMPOSITOR_FRAME_H_